/Engine/Plugins/Runtime/WarpUtils/Source/WarpUtils/Public/Blueprints/WarpUtilsBlueprintLibrary.h
Save data to a PFM file. Since the float NaN value is not available in blueprints, we provide a flags array (false == NaN)
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Meta=(DisplayName="Save PFM Extended"), Category="Miscellaneous|Warp") static bool SavePFMEx ( const [FString](API\Runtime\Core\Containers\FString) & File, const int TexWidth, const int TexHeight, const [TArray](API\Runtime\Core\Containers\TArray)< FVector > & Vertices, const [TArray](API\Runtime\Core\Containers\TArray)< bool > & TilesValidityFlags )